Malcolm L. McCallum

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Malcolm L. McCallum
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Malcolm McCallum at his home in Texarkakana circla 2008 with a bantam golden phoenix rooster
Born (1968-12-26) December 26, 1968 (age 56)
Maywood, Illinois
Residence Holden, Missouri, United States
Nationality United States
Fields Biology
Institutions University of Illinois Springfield
Alma mater <templatestyles src="Plainlist/styles.css"/>

Malcolm L. McCallum (born December 26, 1968 in Maywood, Illinois[1]) is an American environmental scientist, conservationist, herpetologist, and natural historian and is known for his work on the Holocene Extinction. He is also a co-founder of the herpetology journal, Herpetological Conservation and Biology.[2] His research has been covered by David Attenborough,[3] Discover Magazine,[4] and other media outlets.

Education, research, teaching and service

In 1997 his discovery of deformed frogs in Madison County, Illinois[5] received media coverage in St. Louis news outlets.[6] He then worked at the St. Louis Children's Aquarium as the institution's grant writer, and designed educational programs, conducted research on the use of bovine somatotropin (bST) applications in aquaculture, and delivered tours and extension programming until he left to pursue his PhD in 1999. He also organized and edited the First International Symposium on the conservation and sustainability of the ornamental fish industry on Rio Negro River, Manaus.[7] He participated in several areas of research that later were published by the aquarium[which?] from 1999-2001.[8][not in citation given] Stanley E. Trauth was his doctoral mentor.

Many of his early papers were focused on natural history, but they also cover amphibian conservation, ecological immunology, and general biology. He is widely published on the life history and conservation of Blanchard's cricket frog (Acris blanchardi ) with papers on its systematics, immunology, behavior, life history, and conservation needs. He earned the PhD degree in Environmental Science from Arkansas State University, specializing in ecotoxicology and conservation ecology. He continued this research as an Assistant Professor at Louisiana State University at Shreveport from 2003–2005.

File:Southern Leopard Frogs from Southern Illinois (photo by Malcolm L. McCallum).jpg
Southern Leopard Frogs with abnormal limbs of unknown causation (c. 1997)

In 2006 McCallum and several other scientists established the journal Herpetological Conservation and Biology.

File:McCallum Teaching Field Biology Summer 2005.webm
Malcolm L. McCallum teaching field biology on the Caddo River, Arkansas in 2005

He moved to Texas A&M University Texarkana in 2005.

Jamie and Malcolm McCallum with David Attenborough on the set of Life in Cold Blood in the Ouachita Mountains in Arkansas.

McCallum used fuzzy logic in his paper, Amphibian decline or extinction? Current losses dwarf background extinction rates,[9] to compare recent extinction rates of amphibians to their rates at the k-Pg boundary. His calculations demonstrated that the losses in amphibian biodiversity in recent times represented one of the most rapid losses in biodiversity ever observed. In 2008 the study was listed by Discover Magazine as #4 among ten "landmark papers" on the topic of amphibian extinctions and declines.[4] His use of fuzzy approaches was extended to two studies addressing climate change impacts on herpetofauna.[10][11] His 2015 paper argued that species losses since 1980 have been faster that the Cretaceous–Paleogene extinction event that wiped out dinosaurs 65 million years ago, suggesting we are in a 6th mass extinction.[12][13]

In 2014 he conducted a study using Google Trends to data mine Google search data to infer public interest on the environment, and concluded that interest in the environment had fallen since 2004.[14]

Selected bibliography

McCallum is the author of over 100 publications.[15]

  • McCallum, M.L. (2015) Vertebrate biodiversity losses point to sixth mass extinction. Biodiversity and Conservation.
  • McCallum, M.L. and G.W. Bury (2014). Public interest in the environment is falling: A Response to Ficetola (2013). Biodiversity and Conservation 23:1057-1362.
  • McCallum, M.L. and J.L. McCallum. (2014). Ecological Release of an exotic species upon removal of an invasive predator. Journal of North American Herpetology 2014:21 – 27.
  • McCallum, M.L., M. Matlock, J. Treas, B. Safi, W. Sanson, J.L. McCallum. (2013). Endocrine disruption of sexual selection by an estrogenic herbicide in Tenebrio molitor. Ecotoxicology 22:1461-1466.
  • McCallum, M.L., and G.W. Bury. (2013). Google search patterns suggest declining interest in conservation and environment. Biodiversity and Conservation 22:1355 – 1367.

References

  1. ↑ Birth Announcements. Joliet Herald News. January 3, 1969
  2. ↑ Bury, RB, ML McCallum, SE Trauth, and RA Saumure. 2006. Dawning of Herpetological Conservation and Biology: A special welcome to your new journal. Herpetological Conservation and Biology 1(1):i-iii.
  3. ↑ Life in Cold Blood. "The Land Invaders".
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ McCallum, M.L. 1999. Rana sphenocephala (southern leopard frog) malformities found in Illinois with behavioral notes. Transactions of the Illinois State Academy of Science 92:257-264.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ McCallum, M.L. (Editor). Proceedings of the First International Conference on Biodiversity and Sustainability of the Rio Negro Basin Brazil. Mid-America Aquacenter Publications. St. Louis, Missouri. 1,256 pages. 1999.
  8. ↑ Conservation for the Oceans. World Aquarium. St. Louis. Activities 1999-2014.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ McCallum, M.L., J.L. McCallum, S.E. Trauth. 2009. Predicted climate change may spark box turtle declines. Amphibia-Reptilia 30:259-264.
  11. ↑ McCallum, M.L. 2010. Future Climate Change Spells Catastrophe for Blanchard’s Cricket Frog, Acris blanchardi (Amphibia, Anura, Hylidae). Acta Herpetologica 5(1):119-130.
  12. ↑ Rhett A. Butler (June 21, 2015). Study confirms what scientists have been saying for decades: the sixth mass extinction is real and caused by us. http://news.mongabay.com/2015/0621-sixth-mass-extinction.html
  13. ↑ Anonymous. (June 16, 2015). Today's biodiversity losses comprise a sixth mass extinction. BirdWatch Magazine (UK) http://www.birdwatch.co.uk/channel/newsitem.asp?c=11&cate=__15971
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ McCallum, M.L. 2010. Characterizing author citation ratings of herpetologists using Harzing’s Publish or Perish. Herpetology Notes 3:239-245.

External links

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